Wideband UE power saving by switching wideband data to narrowband data with wideband reference signal

The present disclosure relates generally to communication systems, and more particularly, to a method of energy management for wireless communication.

Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts. Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources. Examples of such multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC-FDMA) systems, and time division synchronous code division multiple access (TD-SCDMA) systems.

These multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different wireless devices to communicate on a municipal, national, regional, and even global level. An example telecommunication standard is 5G New Radio (NR). 5G NR is part of a continuous mobile broadband evolution promulgated by Third Generation Partnership Project (3GPP) to meet new requirements associated with latency, reliability, security, scalability (e.g., with Internet of Things (IoT)), and other requirements. 5G NR includes services associated with enhanced mobile broadband (eMBB), massive machine type communications (mMTC), and ultra-reliable low latency communications (URLLC). Some aspects of 5G NR may be based on the 4G Long Term Evolution (LTE) standard. There exists a need for further improvements in 5G NR technology. These improvements may also be applicable to other multi-access technologies and the telecommunication standards that employ these technologies.

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects. This summary neither identifies key or critical elements of all aspects nor delineates the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a wireless device configured to detect a first trigger condition at the wireless device and transmit, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a network device configured to receive, from a wireless device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. The apparatus may further be configured to transmit, for the wireless device, a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth.

To the accomplishment of the foregoing and related ends, the one or more aspects may include the features hereinafter fully described and particularly pointed out in the claims. The following description and the drawings set forth in detail certain illustrative features of the one or more aspects. These features are indicative, however, of but a few of the various ways in which the principles of various aspects may be employed.

In some aspects of wireless communication, a network or wireless device may be capable of using an ultra-wide bandwidth for communication (e.g., a bandwidth of 400 MHz to 8 GHz in an ultra-wideband mode of operation). Channel estimation over the ultra-wide bandwidth may allow a network or wireless device to scan a larger bandwidth to identify a suitable or desired sub-band (e.g., a sub-band with a highest quality or received power) for a subsequent communication. However, in some aspects, a wireless device may not support (or may determine not to use) the ultra-wide bandwidth for one or more of channel estimation or data transfer. For a wireless device that does not support (or determines not to use) the ultra-wide bandwidth operation, an FMCW reference signal may be used to allow a channel estimation over the ultra-wide bandwidth using a mode of operation (or baseband processor) associated with a narrow(er) bandwidth (e.g., 20-400 MHz or larger for higher frequency ranges such as a 6 GHz or sub-THz frequency range).

The power (or energy) consumption associated with an ultra-wideband mode of operation may be larger, for example, due to a larger analog to digital conversion (ADC) sampling rate, a larger fast Fourier transform (FFT) size, or other factors. Based on the increased power consumption, a wireless device may determine to use a narrow-band mode of operation even when capable of using an ultra-wideband mode of operation. For example, a wireless device may determine to operate in a narrow-band mode of operation based on one or more of an amount of energy stored in a battery of the wireless device and/or an energy-consumption-to-harvesting ratio (ECHR).

Various aspects relate generally to power saving for a wideband-capable (or ultra-wideband-capable) wireless device. Some aspects more specifically relate to switching between normal (e.g., wideband) and power-saving (e.g., wideband reference signal and narrowband data) modes of operation for power saving in association with a configured grant or semi-persistent scheduling transmission while maintaining a wideband FMCW-based RS to identify a suitable or desired sub-band. In some examples, the method may include detecting a first trigger condition at the wireless device and transmitting, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth.

Particular aspects of the subject matter described in this disclosure can be implemented to realize one or more of the following potential advantages. In some examples, by enabling a switching between a wideband mode of data transmission and a narrowband mode of data transmission while maintaining a wideband mode for RS operation, the described techniques can be used to manage power consumption at a wideband-capable wireless device.

The detailed description set forth below in connection with the drawings describes various configurations and does not represent the only configurations in which the concepts described herein may be practiced. The detailed description includes specific details for the purpose of providing a thorough understanding of various concepts. However, these concepts may be practiced without these specific details. In some instances, well known structures and components are shown in block diagram form in order to avoid obscuring such concepts.

Several aspects of telecommunication systems are presented with reference to various apparatus and methods. These apparatus and methods are described in the following detailed description and illustrated in the accompanying drawings by various blocks, components, circuits, processes, algorithms, etc. (collectively referred to as “elements”). These elements may be implemented using electronic hardware, computer software, or any combination thereof. Whether such elements are implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system.

By way of example, an element, or any portion of an element, or any combination of elements may be implemented as a “processing system” that includes one or more processors. When multiple processors are implemented, the multiple processors may perform the functions individually or in combination. Examples of processors include microprocessors, microcontrollers, graphics processing units (GPUs), central processing units (CPUs), application processors, digital signal processors (DSPs), reduced instruction set computing (RISC) processors, systems on a chip (SoC), baseband processors, field programmable gate arrays (FPGAs), programmable logic devices (PLDs), state machines, gated logic, discrete hardware circuits, and other suitable hardware configured to perform the various functionality described throughout this disclosure. One or more processors in the processing system may execute software. Software, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise, shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software components, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, or any combination thereof.

Accordingly, in one or more example aspects, implementations, and/or use cases, the functions described may be implemented in hardware, software, or any combination thereof. If implemented in software, the functions may be stored on or encoded as one or more instructions or code on a computer-readable medium. Computer-readable media includes computer storage media. Storage media may be any available media that can be accessed by a computer. By way of example, such computer-readable media can include a random-access memory (RAM), a read-only memory (ROM), an electrically erasable programmable ROM (EEPROM), optical disk storage, magnetic disk storage, other magnetic storage devices, combinations of the types of computer-readable media, or any other medium that can be used to store computer executable code in the form of instructions or data structures that can be accessed by a computer.

While aspects, implementations, and/or use cases are described in this application by illustration to some examples, additional or different aspects, implementations and/or use cases may come about in many different arrangements and scenarios. Aspects, implementations, and/or use cases described herein may be implemented across many differing platform types, devices, systems, shapes, sizes, and packaging arrangements. For example, aspects, implementations, and/or use cases may come about via integrated chip implementations and other non-module-component based devices (e.g., end-user devices, vehicles, communication devices, computing devices, industrial equipment, retail/purchasing devices, medical devices, artificial intelligence (AI)-enabled devices, etc.). While some examples may or may not be specifically directed to use cases or applications, a wide assortment of applicability of described examples may occur. Aspects, implementations, and/or use cases may range a spectrum from chip-level or modular components to non-modular, non-chip-level implementations and further to aggregate, distributed, or original equipment manufacturer (OEM) devices or systems incorporating one or more techniques herein. In some practical settings, devices incorporating described aspects and features may also include additional components and features for implementation and practice of claimed and described aspect. For example, transmission and reception of wireless signals necessarily includes a number of components for analog and digital purposes (e.g., hardware components including antenna, RF-chains, power amplifiers, modulators, buffer, processor(s), interleaver, adders/summers, etc.). Techniques described herein may be practiced in a wide variety of devices, chip-level components, systems, distributed arrangements, aggregated or disaggregated components, end-user devices, etc. of varying sizes, shapes, and constitution.

Deployment of communication systems, such as 5G NR systems, may be arranged in multiple manners with various components or constituent parts. In a 5G NR system, or network, a network node, a network entity, a mobility element of a network, a radio access network (RAN) node, a core network node, a network element, or a network equipment, such as a base station (BS), or one or more units (or one or more components) performing base station functionality, may be implemented in an aggregated or disaggregated architecture. For example, a BS (such as a Node B (NB), evolved NB (eNB), NR BS, 5G NB, access point (AP), a transmission reception point (TRP), or a cell, etc.) may be implemented as an aggregated base station (also known as a standalone BS or a monolithic BS) or a disaggregated base station.

An aggregated base station may be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node. A disaggregated base station may be configured to utilize a protocol stack that is physically or logically distributed among two or more units (such as one or more central or centralized units (CUs), one or more distributed units (DUs), or one or more radio units (RUs)). In some aspects, a CU may be implemented within a RAN node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed throughout one or multiple other RAN nodes. The DUs may be implemented to communicate with one or more RUs. Each of the CU, DU and RU can be implemented as virtual units, i.e., a virtual central unit (VCU), a virtual distributed unit (VDU), or a virtual radio unit (VRU).

Base station operation or network design may consider aggregation characteristics of base station functionality. For example, disaggregated base stations may be utilized in an integrated access backhaul (IAB) network, an open radio access network (O-RAN (such as the network configuration sponsored by the O-RAN Alliance)), or a virtualized radio access network (vRAN, also known as a cloud radio access network (C-RAN)). Disaggregation may include distributing functionality across two or more units at various physical locations, as well as distributing functionality for at least one unit virtually, which can enable flexibility in network design. The various units of the disaggregated base station, or disaggregated RAN architecture, can be configured for wired or wireless communication with at least one other unit.

1 FIG. 100 110 120 120 125 115 105 110 130 130 140 140 104 104 140 is a diagramillustrating an example of a wireless communications system and an access network. The illustrated wireless communications system includes a disaggregated base station architecture. The disaggregated base station architecture may include one or more CUsthat can communicate directly with a core networkvia a backhaul link, or indirectly with the core networkthrough one or more disaggregated base station units (such as a Near-Real Time (Near-RT) RAN Intelligent Controller (RIC)via an E2 link, or a Non-Real Time (Non-RT) RICassociated with a Service Management and Orchestration (SMO) Framework, or both). A CUmay communicate with one or more DUsvia respective midhaul links, such as an F1 interface. The DUsmay communicate with one or more RUsvia respective fronthaul links. The RUsmay communicate with respective UEsvia one or more radio frequency (RF) access links. In some implementations, the UEmay be simultaneously served by multiple RUs.

110 130 140 125 115 105 Each of the units, i.e., the CUS, the DUs, the RUs, as well as the Near-RT RICs, the Non-RT RICs, and the SMO Framework, may include one or more interfaces or be coupled to one or more interfaces configured to receive or to transmit signals, data, or information (collectively, signals) via a wired or wireless transmission medium. Each of the units, or an associated processor or controller providing instructions to the communication interfaces of the units, can be configured to communicate with one or more of the other units via the transmission medium. For example, the units can include a wired interface configured to receive or to transmit signals over a wired transmission medium to one or more of the other units. Additionally, the units can include a wireless interface, which may include a receiver, a transmitter, or a transceiver (such as an RF transceiver), configured to receive or to transmit signals, or both, over a wireless transmission medium to one or more of the other units.

110 110 110 110 110 130 In some aspects, the CUmay host one or more higher layer control functions. Such control functions can include radio resource control (RRC), packet data convergence protocol (PDCP), service data adaptation protocol (SDAP), or the like. Each control function can be implemented with an interface configured to communicate signals with other control functions hosted by the CU. The CUmay be configured to handle user plane functionality (i.e., Central Unit-User Plane (CU-UP)), control plane functionality (i.e., Central Unit-Control Plane (CU-CP)), or a combination thereof. In some implementations, the CUcan be logically split into one or more CU-UP units and one or more CU-CP units. The CU-UP unit can communicate bidirectionally with the CU-CP unit via an interface, such as an E1 interface when implemented in an O-RAN configuration. The CUcan be implemented to communicate with the DU, as necessary, for network control and signaling.

130 140 130 130 130 110 The DUmay correspond to a logical unit that includes one or more base station functions to control the operation of one or more RUs. In some aspects, the DUmay host one or more of a radio link control (RLC) layer, a medium access control (MAC) layer, and one or more high physical (PHY) layers (such as modules for forward error correction (FEC) encoding and decoding, scrambling, modulation, demodulation, or the like) depending, at least in part, on a functional split, such as those defined by 3GPP. In some aspects, the DUmay further host one or more low PHY layers. Each layer (or module) can be implemented with an interface configured to communicate signals with other layers (and modules) hosted by the DU, or with the control functions hosted by the CU.

140 140 130 140 104 140 130 130 110 Lower-layer functionality can be implemented by one or more RUs. In some deployments, an RU, controlled by a DU, may correspond to a logical node that hosts RF processing functions, or low-PHY layer functions (such as performing fast Fourier transform (FFT), inverse FFT (iFFT), digital beamforming, physical random access channel (PRACH) extraction and filtering, or the like), or both, based at least in part on the functional split, such as a lower layer functional split. In such an architecture, the RU(s)can be implemented to handle over the air (OTA) communication with one or more UEs. In some implementations, real-time and non-real-time aspects of control and user plane communication with the RU(s)can be controlled by the corresponding DU. In some scenarios, this configuration can enable the DU(s)and the CUto be implemented in a cloud-based RAN architecture, such as a vRAN architecture.

105 105 105 190 110 130 140 125 105 111 105 140 105 115 105 The SMO Frameworkmay be configured to support RAN deployment and provisioning of non-virtualized and virtualized network elements. For non-virtualized network elements, the SMO Frameworkmay be configured to support the deployment of dedicated physical resources for RAN coverage requirements that may be managed via an operations and maintenance interface (such as an O1 interface). For virtualized network elements, the SMO Frameworkmay be configured to interact with a cloud computing platform (such as an open cloud (O-Cloud)) to perform network element life cycle management (such as to instantiate virtualized network elements) via a cloud computing platform interface (such as an O2 interface). Such virtualized network elements can include, but are not limited to, CUs, DUs, RUsand Near-RT RICs. In some implementations, the SMO Frameworkcan communicate with a hardware aspect of a 4G RAN, such as an open eNB (O-eNB), via an O1 interface. Additionally, in some implementations, the SMO Frameworkcan communicate directly with one or more RUsvia an O1 interface. The SMO Frameworkalso may include a Non-RT RICconfigured to support functionality of the SMO Framework.

115 125 115 125 125 110 130 125 The Non-RT RICmay be configured to include a logical function that enables non-real-time control and optimization of RAN elements and resources, artificial intelligence (AI)/machine learning (ML) (AI/ML) workflows including model training and updates, or policy-based guidance of applications/features in the Near-RT RIC. The Non-RT RICmay be coupled to or communicate with (such as via an A1 interface) the Near-RT RIC. The Near-RT RICmay be configured to include a logical function that enables near-real-time control and optimization of RAN elements and resources via data collection and actions over an interface (such as via an E2 interface) connecting one or more CUs, one or more DUs, or both, as well as an O-eNB, with the Near-RT RIC.

125 115 125 105 115 115 125 115 105 1 In some implementations, to generate AI/ML models to be deployed in the Near-RT RIC, the Non-RT RICmay receive parameters or external enrichment information from external servers. Such information may be utilized by the Near-RT RICand may be received at the SMO Frameworkor the Non-RT RICfrom non-network data sources or from network functions. In some examples, the Non-RT RICor the Near-RT RICmay be configured to tune RAN behavior or performance. For example, the Non-RT RICmay monitor long-term trends and patterns for performance and employ AI/ML models to perform corrective actions through the SMO Framework(such as reconfiguration via) or via creation of RAN management policies (such as A1 policies).

110 130 140 102 102 110 130 140 102 102 120 104 102 140 104 104 140 140 104 102 104 At least one of the CU, the DU, and the RUmay be referred to as a base station. Accordingly, a base stationmay include one or more of the CU, the DU, and the RU(each component indicated with dotted lines to signify that each component may or may not be included in the base station). The base stationprovides an access point to the core networkfor a UE. The base stationmay include macrocells (high power cellular base station) and/or small cells (low power cellular base station). The small cells include femtocells, picocells, and microcells. A network that includes both small cell and macrocells may be known as a heterogeneous network. A heterogeneous network may also include Home Evolved Node Bs (eNBs) (HeNBs), which may provide service to a restricted group known as a closed subscriber group (CSG). The communication links between the RUsand the UEsmay include uplink (UL) (also referred to as reverse link) transmissions from a UEto an RUand/or downlink (DL) (also referred to as forward link) transmissions from an RUto a UE. The communication links may use multiple-input and multiple-output (MIMO) antenna technology, including spatial multiplexing, beamforming, and/or transmit diversity. The communication links may be through one or more carriers. The base station/UEsmay use spectrum up to Y MHz (e.g., 5, 10, 15, 20, 100, 400, etc. MHz) bandwidth per carrier allocated in a carrier aggregation of up to a total of Yx MHz (x component carriers) used for transmission in each direction. The carriers may or may not be adjacent to each other. Allocation of carriers may be asymmetric with respect to DL and UL (e.g., more or fewer carriers may be allocated for DL than for UL). The component carriers may include a primary component carrier and one or more secondary component carriers. A primary component carrier may be referred to as a primary cell (PCell) and a secondary component carrier may be referred to as a secondary cell (SCell).

104 158 158 158 Certain UEsmay communicate with each other using device-to-device (D2D) communication link. The D2D communication linkmay use the DL/UL wireless wide area network (WWAN) spectrum. The D2D communication linkmay use one or more sidelink channels, such as a physical sidelink broadcast channel (PSBCH), a physical sidelink discovery channel (PSDCH), a physical sidelink shared channel (PSSCH), and a physical sidelink control channel (PSCCH). D2D communication may be through a variety of wireless D2D communications systems, such as for example, Bluetooth™ (Bluetooth is a trademark of the Bluetooth Special Interest Group (SIG)), Wi-Fi™ (Wi-Fi is a trademark of the Wi-Fi Alliance) based on the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard, LTE, or NR.

150 104 154 104 150 The wireless communications system may further include a Wi-Fi APin communication with UEs(also referred to as Wi-Fi stations (STAs)) via communication link, e.g., in a 5 GHz unlicensed frequency spectrum or the like. When communicating in an unlicensed frequency spectrum, the UEs/APmay perform a clear channel assessment (CCA) prior to communicating in order to determine whether the channel is available.

The electromagnetic spectrum is often subdivided, based on frequency/wavelength, into various classes, bands, channels, etc. In 5G NR, two initial operating bands have been identified as frequency range designations FR1 (410 MHz-7.125 GHZ) and FR2 (24.25 GHz-52.6 GHz). Although a portion of FR1 is greater than 6 GHz, FR1 is often referred to (interchangeably) as a “sub-6 GHz” band in various documents and articles. A similar nomenclature issue sometimes occurs with regard to FR2, which is often referred to (interchangeably) as a “millimeter wave” band in documents and articles, despite being different from the extremely high frequency (EHF) band (30 GHz-300 GHz) which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band.

The frequencies between FR1 and FR2 are often referred to as mid-band frequencies. Recent 5G NR studies have identified an operating band for these mid-band frequencies as frequency range designation FR3 (7.125 GHZ-24.25 GHZ). Frequency bands falling within FR3 may inherit FR1 characteristics and/or FR2 characteristics, and thus may effectively extend features of FR1 and/or FR2 into mid-band frequencies. In addition, higher frequency bands are currently being explored to extend 5G NR operation beyond 52.6 GHz. For example, three higher operating bands have been identified as frequency range designations FR2-2 (52.6 GHz-71 GHZ), FR4 (71 GHz-114.25 GHz), and FR5 (114.25 GHZ-300 GHz). Each of these higher frequency bands falls within the EHF band.

With the above aspects in mind, unless specifically stated otherwise, the term “sub-6 GHz” or the like if used herein may broadly represent frequencies that may be less than 6 GHz, may be within FR1, or may include mid-band frequencies. Further, unless specifically stated otherwise, the term “millimeter wave” or the like if used herein may broadly represent frequencies that may include mid-band frequencies, may be within FR2, FR4, FR2-2, and/or FR5, or may be within the EHF band.

102 104 102 182 104 104 102 104 184 102 102 104 102 104 102 104 102 104 The base stationand the UEmay each include a plurality of antennas, such as antenna elements, antenna panels, and/or antenna arrays to facilitate beamforming. The base stationmay transmit a beamformed signalto the UEin one or more transmit directions. The UEmay receive the beamformed signal from the base stationin one or more receive directions. The UEmay also transmit a beamformed signalto the base stationin one or more transmit directions. The base stationmay receive the beamformed signal from the UEin one or more receive directions. The base station/UEmay perform beam training to determine the best receive and transmit directions for each of the base station/UE. The transmit and receive directions for the base stationmay or may not be the same. The transmit and receive directions for the UEmay or may not be the same.

102 102 The base stationmay include and/or be referred to as a gNB, Node B, eNB, an access point, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a basic service set (BSS), an extended service set (ESS), a TRP, network node, network entity, network equipment, or some other suitable terminology. The base stationcan be implemented as an integrated access and backhaul (IAB) node, a relay node, a sidelink node, an aggregated (monolithic) base station with a baseband unit (BBU) (including a CU and a DU) and an RU, or as a disaggregated base station including one or more of a CU, a DU, and/or an RU. The set of base stations, which may include disaggregated base stations and/or aggregated base stations, may be referred to as next generation (NG) RAN (NG-RAN).

120 161 162 163 164 168 161 104 120 161 162 163 164 168 165 166 168 165 166 165 166 165 166 104 161 104 104 104 104 102 104 170 The core networkmay include an Access and Mobility Management Function (AMF), a Session Management Function (SMF), a User Plane Function (UPF), a Unified Data Management (UDM), one or more location servers, and other functional entities. The AMFis the control node that processes the signaling between the UEsand the core network. The AMFsupports registration management, connection management, mobility management, and other functions. The SMFsupports session management and other functions. The UPFsupports packet routing, packet forwarding, and other functions. The UDMsupports the generation of authentication and key agreement (AKA) credentials, user identification handling, access authorization, and subscription management. The one or more location serversare illustrated as including a Gateway Mobile Location Center (GMLC)and a Location Management Function (LMF). However, generally, the one or more location serversmay include one or more location/positioning servers, which may include one or more of the GMLC, the LMF, a position determination entity (PDE), a serving mobile location center (SMLC), a mobile positioning center (MPC), or the like. The GMLCand the LMFsupport UE location services. The GMLCprovides an interface for clients/applications (e.g., emergency services) for accessing UE positioning information. The LMFreceives measurements and assistance information from the NG-RAN and the UEvia the AMFto compute the position of the UE. The NG-RAN may utilize one or more positioning methods in order to determine the position of the UE. Positioning the UEmay involve signal measurements, a position estimate, and an optional velocity computation based on the measurements. The signal measurements may be made by the UEand/or the base stationserving the UE. The signals measured may be based on one or more of a satellite positioning system (SaPS)(e.g., one or more of a Global Navigation Satellite System (GNSS), global position system (GPS), non-terrestrial network (NTN), or other satellite position/location system), LTE signals, wireless local area network (WLAN) signals, Bluetooth signals, a terrestrial beacon system (TBS), sensor-based information (e.g., barometric pressure sensor, motion sensor), NR enhanced cell ID (NR E-CID) methods, NR signals (e.g., multi-round trip time (Multi-RTT), DL angle-of-departure (DL-AoD), DL time difference of arrival (DL-TDOA), UL time difference of arrival (UL-TDOA), and UL angle-of-arrival (UL-AoA) positioning), and/or other systems/signals/sensors.

104 104 104 Examples of UEsinclude a cellular phone, a smart phone, a session initiation protocol (SIP) phone, a laptop, a personal digital assistant (PDA), a satellite radio, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, a tablet, a smart device, a wearable device, a vehicle, an electric meter, a gas pump, a large or small kitchen appliance, a healthcare device, an implant, a sensor/actuator, a display, or any other similar functioning device. Some of the UEsmay be referred to as IoT devices (e.g., parking meter, gas pump, toaster, vehicles, heart monitor, etc.). The UEmay also be referred to as a station, a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communications device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. In some scenarios, the term UE may also apply to one or more companion devices such as in a device constellation arrangement. One or more of these devices may collectively access the network and/or individually access the network.

1 FIG. 104 198 102 199 199 Referring again to, in certain aspects, the UEmay have a wideband to narrowband (WB-to-NB) mode adjustment componentthat may be configured to detect a first trigger condition at the wireless device and transmit, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. In certain aspects, the base stationmay have a WB-to-NB mode adjustment componentthat may be configured to receive, from a wireless device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. The WB-to-NB mode adjustment componentmay further be configured to transmit, for the wireless device, a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. Although the following description may be focused on 5G NR, the concepts described herein may be applicable to other similar areas, such as LTE, LTE-A, CDMA, GSM, and other wireless technologies.

2 FIG.A 2 FIG.B 2 FIG.C 2 FIG.D 2 2 FIGS.A,C 200 230 250 280 is a diagramillustrating an example of a first subframe within a 5G NR frame structure.is a diagramillustrating an example of DL channels within a 5G NR subframe.is a diagramillustrating an example of a second subframe within a 5G NR frame structure.is a diagramillustrating an example of UL channels within a 5G NR subframe. The 5G NR frame structure may be frequency division duplexed (FDD) in which for a particular set of subcarriers (carrier system bandwidth), subframes within the set of subcarriers are dedicated for either DL or UL, or may be time division duplexed (TDD) in which for a particular set of subcarriers (carrier system bandwidth), subframes within the set of subcarriers are dedicated for both DL and UL. In the examples provided by, the 5G NR frame structure is assumed to be TDD, with subframe 4 being configured with slot format 28 (with mostly DL), where D is DL, U is UL, and F is flexible for use between DL/UL, and subframe 3 being configured with slot format 1 (with all UL). While subframes 3, 4 are shown with slot formats 1, 28, respectively, any particular subframe may be configured with any of the various available slot formats 0-61. Slot formats 0, 1 are all DL, UL, respectively. Other slot formats 2-61 include a mix of DL, UL, and flexible symbols. UEs are configured with the slot format (dynamically through DL control information (DCI), or semi-statically/statically through radio resource control (RRC) signaling) through a received slot format indicator (SFI). Note that the description infra applies also to a 5G NR frame structure that is TDD.

2 2 FIGS.A-D illustrate a frame structure, and the aspects of the present disclosure may be applicable to other wireless communication technologies, which may have a different frame structure and/or different channels. A frame (10 ms) may be divided into 10 equally sized subframes (1 ms). Each subframe may include one or more time slots. Subframes may also include mini-slots, which may include 7, 4, or 2 symbols. Each slot may include 14 or 12 symbols, depending on whether the cyclic prefix (CP) is normal or extended. For normal CP, each slot may include 14 symbols, and for extended CP, each slot may include 12 symbols. The symbols on DL may be CP orthogonal frequency division multiplexing (OFDM) (CP-OFDM) symbols. The symbols on UL may be CP-OFDM symbols (for high throughput scenarios) or discrete Fourier transform (DFT) spread OFDM (DFT-s-OFDM) symbols (for power limited scenarios; limited to a single stream transmission). The number of slots within a subframe is based on the CP and the numerology. The numerology defines the subcarrier spacing (SCS) (see Table 1). The symbol length/duration may scale with 1/SCS.

TABLE 1 Numerology, SCS, and CP μ μ SCS Δf = 2· 15[kHz] Cyclic prefix 0 15 Normal 1 30 Normal 2 60 Normal, Extended 3 120 Normal 4 240 Normal 5 480 Normal 6 960 Normal

2 2 FIGS.A-D 2 FIG.B For normal CP (14 symbols/slot), different numerologies μ 0 to 4 allow for 1, 2, 4, 8, and 16 slots, respectively, per subframe. For extended CP, the numerology 2 allows for 4 slots per subframe. Accordingly, for normal CP and numerology μ, there are 14 symbols/slot and 24 slots/subframe. The subcarrier spacing may be equal to 24*15 kHz, where μ is the numerology 0 to 4. As such, the numerology μ=0 has a subcarrier spacing of 15 kHz and the numerology μ=4 has a subcarrier spacing of 240 kHz. The symbol length/duration is inversely related to the subcarrier spacing.provide an example of normal CP with 14 symbols per slot and numerology μ=2 with 4 slots per subframe. The slot duration is 0.25 ms, the subcarrier spacing is 60 kHz, and the symbol duration is approximately 16.67 μs. Within a set of frames, there may be one or more different bandwidth parts (BWPs) (see) that are frequency division multiplexed. Each BWP may have a particular numerology and CP (normal or extended).

A resource grid may be used to represent the frame structure. Each time slot includes a resource block (RB) (also referred to as physical RBs (PRBs)) that extends 12 consecutive subcarriers. The resource grid is divided into multiple resource elements (REs). The number of bits carried by each RE depends on the modulation scheme.

2 FIG.A As illustrated in, some of the REs carry reference (pilot) signals (RS) for the UE. The RS may include demodulation RS (DM-RS) (indicated as R for one particular configuration, but other DM-RS configurations are possible) and channel state information reference signals (CSI-RS) for channel estimation at the UE. The RS may also include beam measurement RS (BRS), beam refinement RS (BRRS), and phase tracking RS (PT-RS).

2 FIG.B 2 104 4 illustrates an example of various DL channels within a subframe of a frame. The physical downlink control channel (PDCCH) carries DCI within one or more control channel elements (CCEs) (e.g., 1, 2, 4, 8, or 16 CCEs), each CCE including six RE groups (REGs), each REG including 12 consecutive REs in an OFDM symbol of an RB. A PDCCH within one BWP may be referred to as a control resource set (CORESET). A UE is configured to monitor PDCCH candidates in a PDCCH search space (e.g., common search space, UE-specific search space) during PDCCH monitoring occasions on the CORESET, where the PDCCH candidates have different DCI formats and different aggregation levels. Additional BWPs may be located at greater and/or lower frequencies across the channel bandwidth. A primary synchronization signal (PSS) may be within symbolof particular subframes of a frame. The PSS is used by a UEto determine subframe/symbol timing and a physical layer identity. A secondary synchronization signal (SSS) may be within symbolof particular subframes of a frame. The SSS is used by a UE to determine a physical layer cell identity group number and radio frame timing. Based on the physical layer identity and the physical layer cell identity group number, the UE can determine a physical cell identifier (PCI). Based on the PCI, the UE can determine the locations of the DM-RS. The physical broadcast channel (PBCH), which carries a master information block (MIB), may be logically grouped with the PSS and SSS to form a synchronization signal (SS)/PBCH block (also referred to as SS block (SSB)). The MIB provides a number of RBs in the system bandwidth and a system frame number (SFN). The physical downlink shared channel (PDSCH) carries user data, broadcast system information not transmitted through the PBCH such as system information blocks (SIBs), and paging messages.

2 FIG.C As illustrated in, some of the REs carry DM-RS (indicated as R for one particular configuration, but other DM-RS configurations are possible) for channel estimation at the base station. The UE may transmit DM-RS for the physical uplink control channel (PUCCH) and DM-RS for the physical uplink shared channel (PUSCH). The PUSCH DM-RS may be transmitted in the first one or two symbols of the PUSCH. The PUCCH DM-RS may be transmitted in different configurations depending on whether short or long PUCCHs are transmitted and depending on the particular PUCCH format used. The UE may transmit sounding reference signals (SRS). The SRS may be transmitted in the last symbol of a subframe. The SRS may have a comb structure, and a UE may transmit SRS on one of the combs. The SRS may be used by a base station for channel quality estimation to enable frequency-dependent scheduling on the UL.

2 FIG.D illustrates an example of various UL channels within a subframe of a frame. The PUCCH may be located as indicated in one configuration. The PUCCH carries uplink control information (UCI), such as scheduling requests, a channel quality indicator (CQI), a precoding matrix indicator (PMI), a rank indicator (RI), and hybrid automatic repeat request (HARQ) acknowledgment (ACK) (HARQ-ACK) feedback (i.e., one or more HARQ ACK bits indicating one or more ACK and/or negative ACK (NACK)). The PUSCH carries data, and may additionally be used to carry a buffer status report (BSR), a power headroom report (PHR), and/or UCI.

3 FIG. 310 350 375 375 375 is a block diagram of a base stationin communication with a UEin an access network. In the DL, Internet protocol (IP) packets may be provided to a controller/processor. The controller/processorimplements layer 3 and layer 2 functionality. Layer 3 includes a radio resource control (RRC) layer, and layer 2 includes a service data adaptation protocol (SDAP) layer, a packet data convergence protocol (PDCP) layer, a radio link control (RLC) layer, and a medium access control (MAC) layer. The controller/processorprovides RRC layer functionality associated with broadcasting of system information (e.g., MIB, SIBs), RRC connection control (e.g., RRC connection paging, RRC connection establishment, RRC connection modification, and RRC connection release), inter radio access technology (RAT) mobility, and measurement configuration for UE measurement reporting; PDCP layer functionality associated with header compression/decompression, security (ciphering, deciphering, integrity protection, integrity verification), and handover support functions; RLC layer functionality associated with the transfer of upper layer packet data units (PDUs), error correction through ARQ, concatenation, segmentation, and reassembly of RLC service data units (SDUs), re-segmentation of RLC data PDUs, and reordering of RLC data PDUs; and MAC layer functionality associated with mapping between logical channels and transport channels, multiplexing of MAC SDUs onto transport blocks (TBs), demultiplexing of MAC SDUs from TBs, scheduling information reporting, error correction through HARQ, priority handling, and logical channel prioritization.

316 370 316 374 350 320 318 318 The transmit (TX) processorand the receive (RX) processorimplement layer 1 functionality associated with various signal processing functions. Layer 1, which includes a physical (PHY) layer, may include error detection on the transport channels, forward error correction (FEC) coding/decoding of the transport channels, interleaving, rate matching, mapping onto physical channels, modulation/demodulation of physical channels, and MIMO antenna processing. The TX processorhandles mapping to signal constellations based on various modulation schemes (e.g., binary phase-shift keying (BPSK), quadrature phase-shift keying (QPSK), M-phase-shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)). The coded and modulated symbols may then be split into parallel streams. Each stream may then be mapped to an OFDM subcarrier, multiplexed with a reference signal (e.g., pilot) in the time and/or frequency domain, and then combined together using an Inverse Fast Fourier Transform (IFFT) to produce a physical channel carrying a time domain OFDM symbol stream. The OFDM stream is spatially precoded to produce multiple spatial streams. Channel estimates from a channel estimatormay be used to determine the coding and modulation scheme, as well as for spatial processing. The channel estimate may be derived from a reference signal and/or channel condition feedback transmitted by the UE. Each spatial stream may then be provided to a different antennavia a separate transmitterTx. Each transmitterTx may modulate a radio frequency (RF) carrier with a respective spatial stream for transmission.

350 354 352 354 356 368 356 356 350 350 356 356 310 358 310 359 At the UE, each receiverRx receives a signal through its respective antenna. Each receiverRx recovers information modulated onto an RF carrier and provides the information to the receive (RX) processor. The TX processorand the RX processorimplement layer 1 functionality associated with various signal processing functions. The RX processormay perform spatial processing on the information to recover any spatial streams destined for the UE. If multiple spatial streams are destined for the UE, they may be combined by the RX processorinto a single OFDM symbol stream. The RX processorthen converts the OFDM symbol stream from the time-domain to the frequency domain using a Fast Fourier Transform (FFT). The frequency domain signal includes a separate OFDM symbol stream for each subcarrier of the OFDM signal. The symbols on each subcarrier, and the reference signal, are recovered and demodulated by determining the most likely signal constellation points transmitted by the base station. These soft decisions may be based on channel estimates computed by the channel estimator. The soft decisions are then decoded and deinterleaved to recover the data and control signals that were originally transmitted by the base stationon the physical channel. The data and control signals are then provided to the controller/processor, which implements layer 3 and layer 2 functionality.

359 360 360 359 359 The controller/processorcan be associated with at least one memorythat stores program codes and data. The at least one memorymay be referred to as a computer-readable medium. In the UL, the controller/processorprovides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, and control signal processing to recover IP packets. The controller/processoris also responsible for error detection using an ACK and/or NACK protocol to support HARQ operations.

310 359 Similar to the functionality described in connection with the DL transmission by the base station, the controller/processorprovides RRC layer functionality associated with system information (e.g., MIB, SIBs) acquisition, RRC connections, and measurement reporting; PDCP layer functionality associated with header compression/decompression, and security (ciphering, deciphering, integrity protection, integrity verification); RLC layer functionality associated with the transfer of upper layer PDUs, error correction through ARQ, concatenation, segmentation, and reassembly of RLC SDUs, re-segmentation of RLC data PDUs, and reordering of RLC data PDUs; and MAC layer functionality associated with mapping between logical channels and transport channels, multiplexing of MAC SDUs onto TBs, demultiplexing of MAC SDUs from TBs, scheduling information reporting, error correction through HARQ, priority handling, and logical channel prioritization.

358 310 368 368 352 354 354 Channel estimates derived by a channel estimatorfrom a reference signal or feedback transmitted by the base stationmay be used by the TX processorto select the appropriate coding and modulation schemes, and to facilitate spatial processing. The spatial streams generated by the TX processormay be provided to different antennasvia separate transmittersTx. Each transmitterTx may modulate an RF carrier with a respective spatial stream for transmission.

310 350 318 320 318 370 The UL transmission is processed at the base stationin a manner similar to that described in connection with the receiver function at the UE. Each receiverRx receives a signal through its respective antenna. Each receiverRx recovers information modulated onto an RF carrier and provides the information to a RX processor.

375 376 376 375 375 The controller/processorcan be associated with at least one memorythat stores program codes and data. The at least one memorymay be referred to as a computer-readable medium. In the UL, the controller/processorprovides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover IP packets. The controller/processoris also responsible for error detection using an ACK and/or NACK protocol to support HARQ operations.

368 356 359 198 1 FIG. At least one of the TX processor, the RX processor, and the controller/processormay be configured to perform aspects in connection with the WB-to-NB mode adjustment componentof.

316 370 375 199 1 FIG. At least one of the TX processor, the RX processor, and the controller/processormay be configured to perform aspects in connection with the WB-to-NB mode adjustment componentof.

In some aspects of wireless communication, a network or wireless device may be capable of using an ultra-wide bandwidth for communication (e.g., a bandwidth of 400 MHz to 8 GHz in an ultra-wideband mode of operation). Channel estimation over the ultra-wide bandwidth may allow a network or wireless device to scan a larger bandwidth to identify a suitable or desired sub-band (e.g., a sub-band with a highest quality or received power) for a subsequent communication. However, in some aspects, a wireless device may not support (or may determine not to use) the ultra-wide bandwidth for one or more of channel estimation or data transfer. For a wireless device that does not support (or determines not to use) the ultra-wide bandwidth operation, a FMCW reference signal may be used to allow a channel estimation over the ultra-wide bandwidth using a mode of operation (or baseband processor) associated with a narrow(er) bandwidth (e.g., 20-400 MHz or larger for higher frequency ranges such as a 6 GHz or sub-THz frequency range).

The power (or energy) consumption associated with an ultra-wideband mode of operation may be larger, for example, due to a larger ADC sampling rate, a larger FFT size, or other factors. Based on the increased power consumption, a wireless device may determine to use a narrow-band mode of operation even when capable of using an ultra-wideband mode of operation. For example, a wireless device may determine to operate in a narrow-band mode of operation based on one or more of an amount of energy stored in a battery of the wireless device and/or an ECHR (a ratio between an energy consumption associated with a planned or possible operation of the wireless device and an energy such as solar energy, heat energy, or RF radiation received or recovered at the wireless device based on an energy harvesting operation).

Various aspects relate generally to power saving for a wideband-capable (or ultra-wideband-capable) wireless device. Some aspects more specifically relate to switching between wideband and narrowband modes of operation for power saving in association with a configured grant or semi-persistent scheduling transmission while maintaining a wideband FMCW-based RS to identify a suitable or desired sub-band. In some examples, the method may include detecting a first trigger condition (e.g., a trigger condition related to an energy available at the wireless device) and transmitting, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth.

4 FIG. 400 410 420 410 430 433 435 is a diagramillustrating the use of a FMCW RS over a wideband (or ultra-wideband) BWPto determine an optimized or suitable set of REs or a narrowband BWPfor a related data transmission. In some aspects, the FMCW RS may be used to estimate the channel. For example, the FMCW RS may be used to generate the information regarding the amplitude of the signal as a function of REs in the WB BWPrepresented in graph. The information may be used to determine one or more suitable or desired bandwidths (e.g., suitable or desired bandwidth) associated with a large amplitude or high channel quality (e.g., as measured by a reference signal received power (RSRP), reference signal received quality (RSRQ), or signal to noise ratio (SNR)) and/or an unsuitable or undesired bandwidth (e.g., unsuitable or undesired bandwidth) associated with a small amplitude or low channel quality. In some aspects, the use of the FMCW may allow a wireless device to process the WB RS using processing resources that are associated with a NB CG or SPS data transmission (e.g., a narrowband baseband processor).

5 FIG. 500 510 520 530 540 510 530 520 540 540 520 is a diagramillustrating elements associated with a digital transmission architecture, a digital reception architecture, an analog transmission architecture, and an analog reception architecturein accordance with some aspects of the disclosure. The transmission of the FMCW RS may be via a digital transmission associated with the digital transmission architectureor the analog transmission architecture. In some aspects, the wireless device may receive (and process) the FMCW RS via the digital reception architecturewhen operating in a WB mode of operation (using a WB BWP for RS and/or data transmission). The wireless device, in some aspects, may receive (and process) the FMCW RS via the analog reception architecture. In some aspects, using the analog reception architectureto receive and process the FMCW RS reduces the resources and/or power associated with the reception and processing when compared to using the digital reception architecture(e.g., associated with a sampling rate that may be reduced by a factor of approximately 16).

6 FIG. 600 650 610 620 620 630 640 641 623 625 630 is a set of diagrams including diagramillustrating a reception architecture associated with a wireless device capable of switching between a normal (or WB RS and WB DL data) mode of operation and a power saving (WB RS and NB DL data) mode of operation and a diagramillustrating time gaps associated with switching between different modes of operation in accordance with some aspects of the disclosure. In some aspects, in a normal mode of operation (e.g., a mode of operation using a same BWP for transmissions associated with a RS, DL data, and UL data), the wireless device may use a normal mode reception architecture. The wireless device, in some aspects, may transition to using a power saving mode reception architecturewhen operating in a power saving mode associated with the use of WB BWP for transmissions associated with an (FMCW) RS while using a NB BWP for transmissions associated with at least DL data (where UL data may use the WB BWP or the NB BWP even in the power saving mode of operation). The power saving mode reception architecture, in some aspects, may include a first sub-architecture (or processing pipeline) associated with processing dataand a second sub-architecture (or processing pipeline) associated with processing the RS. For example, by using a local FMCW mixeras an input to a low pass filter (LPF), and providing the output to a low-rate ADC, the wireless device may reduce a processing power associated with a channel estimation over the WB BWP (e.g., to be similar to the processing power associated with processing the databased on using the same components at a same sampling rate).

650 660 670 670 680 670 671 673 673 675 1 2 4 3 Diagramillustrates a set of time gaps associated with switching between different modes or data types within a mode. For example, a transition from a WB, or normal, mode of operationto a power saving mode of operation(or from a power saving mode of operationto a WB, or normal, mode of operation) may be associated with a minimum time gap T(or T, respectively). While operating in the power saving mode of operation, a transition from the reception of the WB FMCW RSto the reception of the NB data(or from NB datato WB FMCW RS) may be associated with a minimum time gap the T(or T, respectively).

7 FIG. 700 710 720 730 740 720 740 710 720 740 710 750 760 760 is a diagramillustrating different configurations for RS and data transmissions associated with a SPS or CG occasion in accordance with some aspects of the disclosure. In some aspects, a WB, or normal, mode of operation may be associated with a first SPS and/or CG occasion configurationassociated with a first reference signal bandwidth (e.g., a WB RS bandwidth, or BWP, associated with an FMCW RS) and a first data bandwidth (e.g., a WB data bandwidth, or BWP, associated with a data transmission that is the same as, or with a size similar to the BWP associated with the WB RS). A power saving mode may be associated with one of a second SPS and/or CG occasion configuration, a third SPS and/or CG occasion configuration, and/or a fourth SPS and/or CG occasion configuration. A bandwidth, or BWP, associated with an RS (e.g., an FMCW RS) during one of the SPS and/or CG occasions using one of the SPS and/or CG configurations-may be the same as the bandwidth, or BWP, associated with the RS during an SPS and/or CG occasion using the SPS and/or CG occasion configuration. However, a bandwidth, or BWP, associated with a data transmission during one of the SPS and/or CG occasions using one of the SPS and/or CG configurations-may be smaller than the bandwidth, or BWP, associated with the RS during an SPS and/or CG occasion using the SPS and/or CG occasion configuration. In some aspects, the FMCW RS using the WB BWP may be a single-symbol FMCWor a multi-symbol FMCW RS. In some aspects, the CP for the multi-symbol FMCW RSmay involve frequency hopping.

8 FIG. 800 810 820 is a diagramillustrating an energy consumption and energy harvesting that may be associated with the normal mode of operation and the power saving mode of operation in accordance with some aspects of the disclosure. For example, for a first transmission associated with a first total consumed power, a first graphillustrates that in a first normal mode of operation, a rate of energy consumption during a first time period may exceed a rate of energy harvesting that may lead to a wireless device running out of energy (or not having sufficient energy) to complete the first transmission. A second graphillustrates that in a power saving mode of operation (being associated with a lower rate of energy consumption) the rate of energy harvesting may exceed the rate of energy consumption such that the wireless device is not likely to run out of energy (or to not have sufficient energy) for a same total energy consumption (or total consumed power).

In some aspects, the ratio between an expected energy consumption rate in a first, normal or WB, mode of operation and an energy harvesting rate (an ECHR) may be used to trigger a transition to a second, power saving or NB mode of operation. In some aspects, one or more ECHR thresholds may be associated with one or more stored energy thresholds. For example, if a stored energy (e.g., associated with a battery power) at the wireless device is below a first threshold (e.g., 10% or 20%), the ECHR threshold for triggering a power saving mode may be 1 (e.g., an expected ECHR value greater than 1 may trigger a transition to a power saving mode), while for a stored energy above the first threshold (and below a next threshold) the ECHR threshold may be set to a second value (an expected ECHR value above 1.25 may trigger the transition to the power saving mode). In some aspects, instead of pre-determined threshold values, the ECHR threshold may be a function of the stored energy, the energy harvesting rate, and a desired time for the wireless to function (or a desired time before the wireless runs out of energy). For example, to operate for 1 hour with a stored energy sufficient for 30 minutes, the ECHR should be no greater than 2 (and may be determined based on a margin of error or safety factor to account for deviations from the expected energy consumption and/or energy harvesting). For indefinite operation, the ECHR may be set to no greater than 1 (or less than 1 to allow for a margin of error). In some aspects, a stored energy (e.g., a battery life) threshold may be associated with triggering a transition to a power saving mode independent of an ECHR or other energy consumption or energy harvesting characteristics.

9 FIG. 1 FIG. 900 904 902 902 904 902 904 902 904 902 904 902 904 is a call flow diagramillustrating a method of power saving at a UE(e.g., as an example of a wireless device) in communication with a base station(e.g., as an example of a network device or network node that may include one or more components of a disaggregated base station) in accordance with some aspects of the disclosure. The functions ascribed to the base station, in some aspects, may be performed by one or more components of a network entity, a network node, or a network device (a single network entity/node/device or a disaggregated network entity/node/device as described above in relation to). Similarly, the functions ascribed to the UE, in some aspects, may be performed by one or more components of a wireless device supporting communication with a network entity/node/device. Accordingly, references to “transmitting” in the description below may be understood to refer to a first component of the base station(or the UE) outputting (or providing) an indication of the content of the transmission to be transmitted by a different component of the base station(or the UE). Similarly, references to “receiving” in the description below may be understood to refer to a first component of the base station(or the UE) receiving a transmitted signal and outputting (or providing) the received signal (or information based on the received signal) to a different component of the base station(or the UE).

902 906 904 906 902 904 904 906 906 904 902 908 1 2 3 4 6 FIG. 6 FIG. 7 FIG. The base station, in some aspects, may exchange a set of WB SPS/CG configuration messageswith the UE. The set of WB SPS/CG configuration messages, in some aspects, may be associated with a communication between the base stationand the UE. In some aspects, the UEmay, as part of configuring the communication transmit an indication of a capability to use the power saving mode of operation associated with the WB FMCW RS and the NB data transmission. The indication of the capability, in some aspects, may include an indication of a set of minimum time gaps (e.g., T, T, T, and/or Tof) for transitions between modes of operations and/or types of transmissions as described in relation to. As described in relation to, the WB SPS/CG configuration messages, in some aspects, may include a RS BWP and a data BWP of a similar, or equal, size and/or location in a frequency domain. Based on the WB SPS/CG configuration messages, the UEand the base stationmay exchange normal mode communicationincluding a WB RS (e.g., an FMCW RS or non-FMCW RS) and one or more WB data transmissions (DL and/or UL transmissions).

910 904 910 904 910 902 8 FIG. At, the UEmay detect a triggering event. As explained in relation to, the triggering event may be based on one or more thresholds associated with an ECHR and/or stored energy. For example, at, the UEmay detect an ECHR above 1 and/or a stored energy below a first threshold (e.g., associated with 30 minutes, or some other configured duration, of operation). Based on detecting the triggering event at, the UE may determine to indicate to the base stationto begin transmissions using a power saving mode of operation.

904 910 902 912 902 912 912 902 904 914 914 914 914 914 914 The UE, based on detecting the triggering event at, may transmit, and the base stationmay receive, a transition indication and/or requestindicating for the base stationto transmit an updated SPS and/or CG occasion configuration and/or indication associated with the power saving mode of operation and/or to transition to the power saving mode of operation. In some aspects, the transition indication and/or requestmay include an indication of a suitable or desired NB BWP (e.g., an indication of one or more sets of REs within the WB BWP associated with the normal mode of operation with a channel quality that meet a threshold quality value as measured by an RSRP, RSRQ, or SNR). Based on the transition indication and/or request, the base station may determine a configuration for one or more BWPs (e.g., at least one WB BWP for channel measurement and at least one BWP for a NB data transmission) associated with the power saving mode of operation. Based on the determined configuration for the one or more BWPs, the base stationmay transmit, and the UEmay receive, a BWP configuration indication. The BWP configuration indication, in some aspects, may include an indication of a duration for implementing the BWP configuration indicationand/or a time at which to implement the BWP configuration indication. The BWP configuration indication, in some aspects, may include an indication of a wideband reference signal bandwidth and a narrowband data bandwidth. In some aspects, the BWP configuration indicationmay include an indication to activate the wideband reference signal bandwidth for a first time period and/or an indication to activate the narrowband data bandwidth during at least a portion of the first time period. The narrowband data bandwidth in some aspects, may be used for DL data transmissions or for both DL and UL data transmissions.

916 902 904 902 904 918 920 720 740 904 921 918 920 620 7 FIG. 6 FIG. At, the base stationand the UEmay transition to the power saving mode of operation. In association with the power saving mode, the base stationmay transmit, and the UEmay receive, at least one WB FMCW RS transmissionand a NB SPS/CG data transmissionassociated with one or more SPS/CG occasions as described in relation to(e.g., with one of the SPS and/or CG configurations-). In some aspects, the UEmay, at, process the WB FMCW RS transmissionand the NB SPS/CG data transmissionusing a same baseband processor as described in relation tousing the power saving mode reception architecture.

904 922 918 904 922 902 924 902 924 924 720 730 740 924 902 904 926 926 926 926 926 926 7 FIG. The UE, in some aspects, may, at, monitor the WB channel based on the WB FMCW RS transmissionand determine an updated suitable or desired NB BWP for data transmission. The UE, based on determining an updated suitable or desired NB BWP for data transmission at, may transmit, and the base stationmay receive, a NB BWP selection indicationindicating for the base stationto transmit an updated SPS and/or CG occasion configuration and/or indication associated with the power saving mode of operation. In some aspects, the NB BWP selection indicationmay include an indication of an updated suitable or desired NB BWP (e.g., an updated indication of one or more sets of REs within the WB BWP associated with the WB FMCW RS with a channel quality that meet a threshold quality value as measured by an RSRP, RSRQ, or SNR). For example, referring to, the NB BWP selection indicationmay indicate a transition between any of the second SPS and/or CG occasion configuration, the third SPS and/or CG occasion configuration, and/or the fourth SPS and/or CG occasion configuration. Based on the NB BWP selection indication, the base station may determine an updated configuration for one or more BWPs (e.g., at least one WB BWP for channel measurement and at least one BWP for a NB data transmission) associated with the power saving mode of operation. Based on the determined configuration for the one or more BWPs, the base stationmay transmit, and the UEmay receive, a NB BWP reconfiguration indication. The NB BWP reconfiguration indication, in some aspects, may include an indication of a duration for implementing the NB BWP reconfiguration indicationand/or a time at which to implement the NB BWP reconfiguration indication. The NB BWP reconfiguration indication, in some aspects, may include an indication of an updated wideband reference signal bandwidth and an updated narrowband data bandwidth. In some aspects, the NB BWP reconfiguration indicationmay include an indication to activate the updated wideband reference signal bandwidth for a first time period and/or an indication to activate the updated narrowband data bandwidth during at least a portion of the first time period.

926 902 904 928 930 720 740 7 FIG. In association with the power saving mode and the NB BWP reconfiguration indication, the base stationmay transmit, and the UEmay receive, at least one WB FMCW RS transmissionand a NB SPS/CG data transmissionassociated with one or more SPS/CG occasions as described in relation to(e.g., with one of the SPS and/or CG configurations-).

932 904 932 904 932 902 932 904 902 934 934 720 740 710 740 8 FIG. 7 FIG. At, the UEmay detect an additional triggering event. As explained in relation to, the triggering event may be based on one or more thresholds associated with an ECHR and/or stored energy. For example, at, the UEmay detect an ECHR below 1 and/or a stored energy above a first threshold (e.g., associated with 30 minutes, or some other configured duration, of operation). Based on detecting the triggering event at, the UE may determine that the power saving mode is no longer suitable or desired and may indicate to the base stationto begin transmissions using a normal mode of operation. Alternatively, the additional triggering event may be associated with a different threshold value of the ECHR and or stored energy that indicates for a smaller BWP associated with the NB data BWP. Based on the additional triggering event detected at, the UEmay transmit, and the base stationmay receive, transition indication and/or requestto transition to a normal mode of operation and/or a power saving mode of operation with a smaller (or larger) BWP for data transmissions. For example, referring to, the transition indication and/or requestmay indicate a transition between a current SPS and/or CG occasion configuration (e.g., any of the SPS and/or CG occasion configurations-) to a different SPS and/or CG occasion configuration (e.g., another of the SPS and/or CG configurations-).

902 934 904 936 936 936 936 936 936 936 936 902 904 938 The base station, based on the transition indication and/or request, may transmit, and the UEmay receive, BWP reconfiguration indication. BWP reconfiguration indicationmay include an indication of a WB RS and WB data BWP associated with a normal mode of operation or an updated NB data BWP (and, in some aspects, an updated WB FMCW RS BWP). The BWP reconfiguration indication, in some aspects, may include an indication of a duration for implementing the BWP reconfiguration indicationand/or a time at which to implement the BWP reconfiguration indication. The BWP reconfiguration indication, in some aspects, may include an indication of an updated wideband reference signal bandwidth and an updated narrowband data bandwidth. In some aspects, the BWP reconfiguration indicationmay include an indication to activate the updated wideband reference signal bandwidth for a first time period and/or an indication to activate the updated narrowband data bandwidth during at least a portion of the first time period. Based on the BWP reconfiguration indication, the base stationand the UEmay exchange communication.

10 FIG. 14 FIG. 9 FIG. 1000 104 1404 1002 1406 1424 1422 1480 198 904 906 is a flowchartof a method of wireless communication. The method may be performed by a UE (e.g., the UE; the apparatus). In some aspects, the UE may transmit an indication of a capability to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the at least one reference signal may be a FMCW reference signal. Referring to, for example, the UEmay, as part of configuring resources for a communication, transmit an indication of a capability to use the power saving mode of operation associated with the WB FMCW RS and the NB data transmission within the set of WB SPS/CG configuration messages.

6 9 FIGS.and 6 FIG. 904 906 1 2 3 4 In some aspects, the UE may transmit an indication of at least one timing gap associated with at least one of a first mode of operation and a second mode of operation. In some aspects, the UE may transmit at least one of a second indication of a first minimum timing gap associated with a switch from the first mode of operation to the second mode of operation, a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation, a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission (where a third data bandwidth associated with the data transmission is smaller than a third reference signal bandwidth associated with the reference signal transmission), or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission (where the third data bandwidth associated with the data transmission is smaller than the third reference signal bandwidth associated with the reference signal transmission). For example, referring to, the UEmay transmit within the set of WB SPS/CG configuration messagesan indication of one or more of the set of minimum time gaps (e.g., T, T, T, and/or Tof).

1006 1006 1406 1424 1422 1480 198 904 910 932 14 FIG. 8 9 FIGS.and 8 FIG. At, the UE may detect a first trigger condition at the UE. In some aspects, the first trigger condition may be related to the energy available at the UE. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the first trigger condition may be associated with a battery power available at the UE being below a threshold amount of power. The first trigger condition, in some aspects, may be associated with an ECHR at the UE. In some aspects, the first trigger condition may be associated with both the battery power available at the UE and the ECHR at the UE. For example, referring to, the UEmay detect at(or) a triggering event that may be based on one or more thresholds associated with an ECHR and/or stored energy as described in relation to.

1008 1006 1008 1406 1424 1422 1480 198 1008 904 912 934 902 14 FIG. 9 FIG. At, the UE may, based on detecting the first trigger condition at the UE at, transmit, for a network device, an indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth; the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth; and the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. In some aspects, if the second data bandwidth is smaller than the second reference signal bandwidth, the indication transmitted atmay include an indication of the second data bandwidth in a set of one or more suitable or desired narrowband bandwidths. For example, referring to, the UEmay transmit transition indication and/or requestorindicating for the base stationto transmit an updated SPS and/or CG occasion configuration associated with the power saving mode of operation and/or to transition to (or from) the power saving mode of operation.

1008 904 914 926 936 710 720 730 740 9 FIG. In some aspects, the UE may receive an indication to activate the second reference signal bandwidth for a first time period. The UE, in some aspects, may receive an indication to activate the second data bandwidth during at least a portion of the first time period. In some aspects, the indications may be received based on the indication transmitted atto switch from the first mode of operation to the second mode of operation. For example, referring to, the UEmay receive the BWP configuration indication, the NB BWP reconfiguration indication, or the BWP reconfiguration indicationindicating a reference signal bandwidth and a data bandwidth (such as one of the RS bandwidth and data bandwidth associated with one of the SPS and/or CG occasion configuration,,, or) and a time to transition to a different mode of operation.

1008 Based on the indication transmitted at, the UE may transition to the second mode of operation and receive a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. In some aspects, the reference signal may be a FMCW reference signal. In some aspects, the second reference signal bandwidth may be larger than the second data bandwidth, and the data signal may be associated with one or more periodic resource sets. Each of the one or more periodic resource sets, in some aspects, may include a first plurality of symbols, and the reference signal may be associated with one symbol in each of the one or more periodic resource sets or a second plurality of symbols in each of the one or more periodic resource sets.

641 904 921 931 918 920 928 930 938 620 6 FIG. 6 9 FIGS.and In some aspects, the UE may process the data signal and the reference signal via a single baseband processor. The single baseband processor, in some aspects, may be a first baseband processor capable of processing a wideband data signal (e.g., if the second mode of operation is a normal mode of operation) or a second baseband processor that may be capable of processing a narrowband signal and a wideband FMCW reference signal (e.g., based on converting the wideband FMCW reference signal to a narrowband signal via a component such as local FMCW mixerof) but not capable of processing a wideband data signal (e.g., a wideband data signal that is not susceptible to conversion to a narrowband data signal without data loss). For example, referring to, the UEmay process, ator, the WB FMCW RS transmissionand the NB SPS/CG data transmission, the WB FMCW RS transmissionand the NB SPS/CG data transmission, or the communicationusing a same baseband processor such as the power saving mode reception architecture.

11 FIG. 14 FIG. 9 FIG. 1100 104 1404 1102 1102 1406 1424 1422 1480 198 904 906 is a flowchartof a method of wireless communication. The method may be performed by a UE (e.g., the UE; the apparatus). At, the UE may transmit an indication of a capability to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the at least one reference signal may be a FMCW reference signal. Referring to, for example, the UEmay, as part of configuring resources for a communication, transmit an indication of a capability to use the power saving mode of operation associated with the WB FMCW RS and the NB data transmission within the set of WB SPS/CG configuration messages.

1104 1104 1406 1424 1422 1480 198 904 906 14 FIG. 6 9 FIGS.and 6 FIG. 1 2 3 4 At, the UE may transmit an indication of at least one timing gap associated with at least one of a first mode of operation and a second mode of operation. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the UE may transmit at least one of a second indication of a first minimum timing gap associated with a switch from the first mode of operation to the second mode of operation, a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation, a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission (where a third data bandwidth associated with the data transmission is smaller than a third reference signal bandwidth associated with the reference signal transmission), or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission (where the third data bandwidth associated with the data transmission is smaller than the third reference signal bandwidth associated with the reference signal transmission). For example, referring to, the UEmay transmit within the set of WB SPS/CG configuration messagesan indication of one or more of the set of minimum time gaps (e.g., T, T, T, and/or Tof).

1106 1106 1406 1424 1422 1480 198 904 910 932 14 FIG. 8 9 FIGS.and 8 FIG. At, the UE may detect a first trigger condition at the UE. In some aspects, the first trigger condition may be related to the energy available at the UE. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the first trigger condition may be associated with a battery power available at the UE being below a threshold amount of power. The first trigger condition, in some aspects, may be associated with an ECHR at the UE. In some aspects, the first trigger condition may be associated with both the battery power available at the UE and the ECHR at the UE. For example, referring to, the UEmay detect at(or) a triggering event that may be based on one or more thresholds associated with an ECHR and/or stored energy as described in relation to.

1108 1106 1108 1406 1424 1422 1480 198 1108 904 912 934 902 14 FIG. 9 FIG. At, the UE may, based on detecting the first trigger condition at the UE at, transmit, for a network device, an indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth; the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth; and the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. In some aspects, if the second data bandwidth is smaller than the second reference signal bandwidth, the indication transmitted atmay include an indication of the second data bandwidth in a set of one or more suitable or desired narrowband bandwidths. For example, referring to, the UEmay transmit transition indication and/or requestorindicating for the base stationto transmit an updated SPS and/or CG occasion configuration associated with the power saving mode of operation and/or to transition to (or from) the power saving mode of operation.

1110 1112 1110 1112 1406 1424 1422 1480 198 1110 1112 1108 904 914 926 936 710 720 730 740 14 FIG. 9 FIG. At, the UE may receive an indication to activate the second reference signal bandwidth for a first time period. At, the UE may receive an indication to activate the second data bandwidth during at least a portion of the first time period. For example,andmay be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the indications received atand/or atmay be received based on the indication transmitted atto switch from the first mode of operation to the second mode of operation. For example, referring to, the UEmay receive the BWP configuration indication, the NB BWP reconfiguration indication, or the BWP reconfiguration indicationindicating a reference signal bandwidth and a data bandwidth (such as one of the RS bandwidth and data bandwidth associated with one of the SPS and/or CG occasion configuration,,, or) and a time to transition to a different mode of operation.

1108 1110 1112 1114 1114 1406 1424 1422 1480 198 14 FIG. Based on the indication transmitted atand/or the indications received atand/or, the UE may transition to the second mode of operation and, at, receive a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. In some aspects, the reference signal may be a FMCW reference signal. For example,may be performed by application processor(s), cellular baseband processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the second reference signal bandwidth may be larger than the second data bandwidth, and the data signal may be associated with one or more periodic resource sets. Each of the one or more periodic resource sets, in some aspects, may include a first plurality of symbols, and the reference signal may be associated with one symbol in each of the one or more periodic resource sets or a second plurality of symbols in each of the one or more periodic resource sets.

1116 1116 1406 1424 198 904 921 931 918 920 928 930 938 620 14 FIG. 6 9 FIGS.and At, the UE may process the data signal and the reference signal via a single baseband processor. For example,may be performed by application processor(s), cellular baseband processor(s), and/or WB-to-NB mode adjustment componentof. The single baseband processor, in some aspects, may be a first baseband processor capable of processing a wideband data signal (e.g., if the second mode of operation is a normal mode of operation) or a second baseband processor that may be capable of processing a narrowband signal (and a wideband FMCW reference signal) but not capable of processing a wideband signal. For example, referring to, the UEmay process, ator, the WB FMCW RS transmissionand the NB SPS/CG data transmission, the WB FMCW RS transmissionand the NB SPS/CG data transmission, or the communicationusing a same baseband processor such as the power saving mode reception architecture.

12 FIG. 9 FIG. 1200 102 902 1402 1502 902 906 is a flowchartof a method of wireless communication. The method may be performed by a base station (e.g., the base station,; the network entity,). In some aspects, the network device may receive, from a wireless device, an indication of a capability of the wireless device to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal. In some aspects, the at least one reference signal may be a FMCW reference signal. Referring to, for example, the base stationmay, as part of configuring resources for a communication, receive an indication of a capability of a wireless device to use the power saving mode of operation associated with the WB FMCW RS and the NB data transmission within the set of WB SPS/CG configuration messages.

6 9 FIGS.and 6 FIG. 902 906 1 2 3 4 In some aspects, the network device may receive an indication of at least one timing gap associated with at least one of a first mode of operation and a second mode of operation. In some aspects, the network device may receive at least one of a second indication of a first minimum timing gap associated with a switch from the first mode of operation to the second mode of operation, a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation, a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission (where a third data bandwidth associated with the data transmission is smaller than a third reference signal bandwidth associated with the reference signal transmission), or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission (where the third data bandwidth associated with the data transmission is smaller than the third reference signal bandwidth associated with the reference signal transmission). For example, referring to, the base stationmay receive within the set of WB SPS/CG configuration messagesan indication of one or more of the set of minimum time gaps (e.g., T, T, T, and/or Tof).

8 9 FIGS.and 8 FIG. 904 910 932 The wireless device may detect a first condition related to energy available at the wireless device. In some aspects, the first condition related to the energy available at the network device may be associated with a battery power available at the network device being below a threshold amount of power. The first condition related to the energy available at the network device, in some aspects, may be associated with an ECHR at the network device. In some aspects, the first condition related to the energy available at the network device may be associated with both the battery power available at the network device and the ECHR at the network device. For example, referring to, the UEmay detect at(or) a triggering event that may be based on one or more thresholds associated with an ECHR and/or stored energy as described in relation to.

1206 1206 1512 1532 1542 1546 1580 199 1206 902 912 934 902 15 FIG. 9 FIG. At, the network device may, based on the wireless device detecting the first condition related to energy available at the wireless device, receive, from the wireless device, an indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth. For example,may be performed by CU processor(s), DU processor(s), RU processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth; the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth; and the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. In some aspects, if the second data bandwidth is smaller than the second reference signal bandwidth, the indication received atmay include an indication of the second data bandwidth in a set of one or more suitable or desired narrowband bandwidths. For example, referring to, the base stationmay receive transition indication and/or requestorindicating for the base stationto transmit an updated SPS and/or CG occasion configuration associated with the power saving mode of operation and/or to transition to (or from) the power saving mode of operation.

1206 902 914 926 936 710 720 730 740 9 FIG. In some aspects, the network device may transmit an indication to activate the second reference signal bandwidth for a first time period. In some aspects, the indications transmitted may be received based on the indication received atto switch from the first mode of operation to the second mode of operation. For example, referring to, the base stationmay transmit the BWP configuration indication, the NB BWP reconfiguration indication, or the BWP reconfiguration indicationindicating a reference signal bandwidth and a data bandwidth (such as one of the RS bandwidth and data bandwidth associated with one of the SPS and/or CG occasion configuration,,, or) and a time to transition to a different mode of operation.

1206 1212 1212 1512 1532 1542 1546 1580 199 15 FIG. Based on the indication received at, the network device may transition to the second mode of operation and, at, transmit a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. In some aspects, the reference signal may be a FMCW reference signal. For example,may be performed by CU processor(s), DU processor(s), RU processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the second reference signal bandwidth may be larger than the second data bandwidth, and the data signal may be associated with one or more periodic resource sets. Each of the one or more periodic resource sets, in some aspects, may include a first plurality of symbols, and the reference signal may be associated with one symbol in each of the one or more periodic resource sets or a second plurality of symbols in each of the one or more periodic resource sets.

In some aspects, the wireless device may process the data signal and the reference signal via a single baseband processor. The single baseband processor, in some aspects, may be a first baseband processor capable of processing a wideband data signal (e.g., if the second mode of operation is a normal mode of operation) or a second baseband processor that may be capable of processing a narrowband signal (and a wideband FMCW reference signal) but not capable of processing a wideband signal.

13 FIG. 15 FIG. 9 FIG. 1300 102 902 1402 1502 1302 1302 1512 1532 1542 1546 1580 199 902 906 is a flowchartof a method of wireless communication. The method may be performed by a base station (e.g., the base station,; the network entity,). At, the network device may receive, from a wireless device, an indication of a capability of the wireless device to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal. For example,may be performed by CU processor(s), DU processor(s), RU processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the at least one reference signal may be a FMCW reference signal. Referring to, for example, the base stationmay, as part of configuring resources for a communication, receive an indication of a capability of a wireless device to use the power saving mode of operation associated with the WB FMCW RS and the NB data transmission within the set of WB SPS/CG configuration messages.

1304 1304 1512 1532 1542 1546 1580 199 902 906 15 FIG. 6 9 FIGS.and 6 FIG. 1 2 3 4 At, the network device may receive an indication of at least one timing gap associated with at least one of a first mode of operation and a second mode of operation. For example,may be performed by CU processor(s), DU processor(s), RU processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the network device may receive at least one of a second indication of a first minimum timing gap associated with a switch from the first mode of operation to the second mode of operation, a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation, a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission (where a third data bandwidth associated with the data transmission is smaller than a third reference signal bandwidth associated with the reference signal transmission), or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission (where the third data bandwidth associated with the data transmission is smaller than the third reference signal bandwidth associated with the reference signal transmission). For example, referring to, the base stationmay receive within the set of WB SPS/CG configuration messagesan indication of one or more of the set of minimum time gaps (e.g., T, T, T, and/or Tof).

8 9 FIGS.and 8 FIG. 904 910 932 The wireless device may detect a first condition related to energy available at the wireless device. In some aspects, the first condition related to the energy available at the network device may be associated with a battery power available at the network device being below a threshold amount of power. The first condition related to the energy available at the network device, in some aspects, may be associated with an ECHR at the network device. In some aspects, the first condition related to the energy available at the network device may be associated with both the battery power available at the network device and the ECHR at the network device. For example, referring to, the UEmay detect at(or) a triggering event that may be based on one or more thresholds associated with an ECHR and/or stored energy as described in relation to.

1306 1306 1512 1532 1542 1546 1580 199 1306 902 912 934 902 15 FIG. 9 FIG. At, the network device may, based on the wireless device detecting the first condition related to energy available at the wireless device, receive, from the wireless device, an indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth. For example,may be performed by CU processor(s), DU processor(s), RU processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth; the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth; and the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. In some aspects, if the second data bandwidth is smaller than the second reference signal bandwidth, the indication received atmay include an indication of the second data bandwidth in a set of one or more suitable or desired narrowband bandwidths. For example, referring to, the base stationmay receive transition indication and/or requestorindicating for the base stationto transmit an updated SPS and/or CG occasion configuration associated with the power saving mode of operation and/or to transition to (or from) the power saving mode of operation.

1308 1310 1308 1310 1512 1532 1542 1546 1580 199 1308 1310 1306 902 914 926 936 710 720 730 740 15 FIG. 9 FIG. At, the network device may transmit an indication to activate the second reference signal bandwidth for a first time period. At, the network device may transmit an indication to activate the second data bandwidth during at least a portion of the first time period. For example,andmay be performed by CU processor(s), DU processor(s), RU processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the indications transmitted atand/or atmay be received based on the indication received atto switch from the first mode of operation to the second mode of operation. For example, referring to, the base stationmay transmit the BWP configuration indication, the NB BWP reconfiguration indication, or the BWP reconfiguration indicationindicating a reference signal bandwidth and a data bandwidth (such as one of the RS bandwidth and data bandwidth associated with one of the SPS and/or CG occasion configuration,,, or) and a time to transition to a different mode of operation.

1306 1308 1310 1312 1312 1512 1532 1542 1546 1580 199 15 FIG. Based on the indication received atand/or the indications transmitted atand/or, the network device may transition to the second mode of operation and, at, transmit a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. In some aspects, the reference signal may be a FMCW reference signal. For example,may be performed by CU processor(s), DU processor(s), RU processor(s), transceiver(s), antenna(s), and/or WB-to-NB mode adjustment componentof. In some aspects, the second reference signal bandwidth may be larger than the second data bandwidth, and the data signal may be associated with one or more periodic resource sets. Each of the one or more periodic resource sets, in some aspects, may include a first plurality of symbols, and the reference signal may be associated with one symbol in each of the one or more periodic resource sets or a second plurality of symbols in each of the one or more periodic resource sets.

In some aspects, the wireless device may process the data signal and the reference signal via a single baseband processor. The single baseband processor, in some aspects, may be a first baseband processor capable of processing a wideband data signal (e.g., if the second mode of operation is a normal mode of operation) or a second baseband processor that may be capable of processing a narrowband signal (and a wideband FMCW reference signal) but not capable of processing a wideband signal.

14 FIG. 3 FIG. 1400 1404 1404 1404 1424 1422 1424 1424 1404 1420 1406 1408 1410 1406 1406 1404 1412 1414 1416 1418 1426 1430 1432 1412 1414 1416 1412 1414 1416 1480 1424 1422 1480 104 1402 1424 1406 1424 1406 1426 1424 1406 1426 1424 1406 1424 1406 1424 1406 1424 1406 1424 1406 350 360 368 356 359 1404 1424 1406 1404 350 1404 is a diagramillustrating an example of a hardware implementation for an apparatus. The apparatusmay be a UE, a component of a UE, or may implement UE functionality. In some aspects, the apparatusmay include at least one cellular baseband processor(also referred to as a modem) coupled to one or more transceivers(e.g., cellular RF transceiver). The cellular baseband processor(s)may include at least one on-chip memory′. In some aspects, the apparatusmay further include one or more subscriber identity modules (SIM) cardsand at least one application processorcoupled to a secure digital (SD) cardand a screen. The application processor(s)may include on-chip memory′. In some aspects, the apparatusmay further include a Bluetooth module, a WLAN module, an SPS module(e.g., GNSS module), one or more sensor modules(e.g., barometric pressure sensor/altimeter; motion sensor such as inertial measurement unit (IMU), gyroscope, and/or accelerometer(s); light detection and ranging (LIDAR), radio assisted detection and ranging (RADAR), sound navigation and ranging (SONAR), magnetometer, audio and/or other technologies used for positioning), additional memory modules, a power supply, and/or a camera. The Bluetooth module, the WLAN module, and the SPS modulemay include an on-chip transceiver (TRX) (or in some cases, just a receiver (RX)). The Bluetooth module, the WLAN module, and the SPS modulemay include their own dedicated antennas and/or utilize one or more antennasfor communication. The cellular baseband processor(s)communicates through the transceiver(s)via the one or more antennaswith the UEand/or with an RU associated with a network entity. The cellular baseband processor(s)and the application processor(s)may each include a computer-readable medium/memory′,′, respectively. The additional memory modulesmay also be considered a computer-readable medium/memory. Each computer-readable medium/memory′,′,may be non-transitory. The cellular baseband processor(s)and the application processor(s)are each responsible for general processing, including the execution of software stored on the computer-readable medium/memory. The software, when executed by the cellular baseband processor(s)/application processor(s), causes the cellular baseband processor(s)/application processor(s)to perform the various functions described supra. The computer-readable medium/memory may also be used for storing data that is manipulated by the cellular baseband processor(s)/application processor(s)when executing software. The cellular baseband processor(s)/application processor(s)may be a component of the UEand may include the at least one memoryand/or at least one of the TX processor, the RX processor, and the controller/processor. In one configuration, the apparatusmay be at least one processor chip (modem and/or application) and include just the cellular baseband processor(s)and/or the application processor(s), and in another configuration, the apparatusmay be the entire UE (e.g., see UEof) and include the additional modules of the apparatus.

198 198 1424 1406 1424 1406 198 1404 1404 1424 1406 1404 1424 1406 1404 1424 1406 1404 1424 1406 1404 1424 1406 1404 1424 1406 1404 1424 1406 1404 1424 1406 1404 198 1404 1404 368 356 359 368 356 359 10 11 FIG.or 9 FIG. As discussed supra, the WB-to-NB mode adjustment componentmay be configured to detect a first trigger condition at the wireless device and transmit, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. The WB-to-NB mode adjustment componentmay be within the cellular baseband processor(s), the application processor(s), or both the cellular baseband processor(s)and the application processor(s). The WB-to-NB mode adjustment componentmay be one or more hardware components specifically configured to carry out the stated processes/algorithm, implemented by one or more processors configured to perform the stated processes/algorithm, stored within a computer-readable medium for implementation by one or more processors, or some combination thereof. When multiple processors are implemented, the multiple processors may perform the stated processes/algorithm individually or in combination. As shown, the apparatusmay include a variety of components configured for various functions. In one configuration, the apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for detecting a first trigger condition at the wireless device. The apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for transmitting, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth. The apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for receiving a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. The apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for processing the data signal and the reference signal via a single baseband processor. The apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for transmitting at least one of: a second indication of a first minimum timing gap associated with the switch from the first mode of operation to the second mode of operation, a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation, a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission, or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission. The apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for transmitting a second indication of a capability to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal. The apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for receiving a second indication to activate the second reference signal bandwidth for a first time period. The apparatus, and in particular the cellular baseband processor(s)and/or the application processor(s), may include means for receiving a third indication to activate the second data bandwidth during at least a portion of the first time period. The apparatusmay further include means for performing any of the aspects described in connection with the flowcharts in, and/or performed by the UE in the communication flow of. The means may be the WB-to-NB mode adjustment componentof the apparatusconfigured to perform the functions recited by the means. As described supra, the apparatusmay include the TX processor, the RX processor, and the controller/processor. As such, in one configuration, the means may be the TX processor, the RX processor, and/or the controller/processorconfigured to perform the functions recited by the means.

15 FIG. 1500 1502 1502 1502 1510 1530 1540 199 1502 1510 1510 1530 1510 1530 1540 1530 1530 1540 1540 1510 1512 1512 1512 1510 1514 1518 1510 1530 1530 1532 1532 1532 1530 1534 1538 1530 1540 1540 1542 1542 1542 1540 1544 1546 1580 1548 1540 104 1512 1532 1542 1514 1534 1544 1512 1532 1542 is a diagramillustrating an example of a hardware implementation for a network entity. The network entitymay be a BS, a component of a BS, or may implement BS functionality. The network entitymay include at least one of a CU, a DU, or an RU. For example, depending on the layer functionality handled by the WB-to-NB mode adjustment component, the network entitymay include the CU; both the CUand the DU; each of the CU, the DU, and the RU; the DU; both the DUand the RU; or the RU. The CUmay include at least one CU processor. The CU processor(s)may include on-chip memory′. In some aspects, the CUmay further include additional memory modulesand a communications interface. The CUcommunicates with the DUthrough a midhaul link, such as an F1 interface. The DUmay include at least one DU processor. The DU processor(s)may include on-chip memory′. In some aspects, the DUmay further include additional memory modulesand a communications interface. The DUcommunicates with the RUthrough a fronthaul link. The RUmay include at least one RU processor. The RU processor(s)may include on-chip memory′. In some aspects, the RUmay further include additional memory modules, one or more transceivers, one or more antennas, and a communications interface. The RUcommunicates with the UE. The on-chip memory′,′,′ and the additional memory modules,,may each be considered a computer-readable medium/memory. Each computer-readable medium/memory may be non-transitory. Each of the processors,,is responsible for general processing, including the execution of software stored on the computer-readable medium/memory. The software, when executed by the corresponding processor(s) causes the processor(s) to perform the various functions described supra. The computer-readable medium/memory may also be used for storing data that is manipulated by the processor(s) when executing software.

199 199 199 1510 1530 1540 199 1502 1502 1502 1502 1502 1502 1502 1502 199 1502 1502 316 370 375 316 370 375 12 13 FIGS.and 9 FIG. 12 13 FIGS.and As discussed supra, the WB-to-NB mode adjustment componentmay be configured to receive, from a wireless device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth. The WB-to-NB mode adjustment componentmay further be configured to transmit, for the wireless device, a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. The WB-to-NB mode adjustment componentmay be within one or more processors of one or more of the CU, DU, and the RU. The WB-to-NB mode adjustment componentmay be one or more hardware components specifically configured to carry out the stated processes/algorithm, implemented by one or more processors configured to perform the stated processes/algorithm, stored within a computer-readable medium for implementation by one or more processors, or some combination thereof. When multiple processors are implemented, the multiple processors may perform the stated processes/algorithm individually or in combination. The network entitymay include a variety of components configured for various functions. In one configuration, the network entitymay include means for receiving, from a wireless device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth. The network entitymay include means for transmitting, for the wireless device, a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth. The network entitymay include means for receiving at least one of a second indication of a first minimum timing gap associated with the switch from the first mode of operation to the second mode of operation, a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation, a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission, or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission. The network entitymay include means for receiving a second indication of a capability of the wireless device to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal. The network entitymay include means for transmitting a second indication to activate the second reference signal bandwidth for a first time period. The network entitymay include means for transmitting a third indication to activate the second data bandwidth during at least a portion of the first time period. The network entitymay further include means for performing any of the aspects described in connection with the flowchart in, and/or performed by the base station in the communication flow of. The means may be the WB-to-NB mode adjustment componentof the network entityconfigured to perform the functions recited by the means. As described supra, the network entitymay include the TX processor, the RX processor, and the controller/processor. As such, in one configuration, the means may be the TX processor, the RX processor, and/or the controller/processorconfigured to perform the functions recited by the means or as described in relation to.

Various aspects relate generally to power saving for a wideband-capable (or ultra-wideband-capable) wireless device. Some aspects more specifically relate to switching between wideband and narrowband modes of operation for power saving in association with a configured grant or semi-persistent scheduling transmission while maintaining a wideband FMCW-based RS to identify a suitable or desired sub-band. In some examples, the method may include detecting a first trigger condition at the wireless device and transmitting, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth.

Particular aspects of the subject matter described in this disclosure can be implemented to realize one or more of the following potential advantages. In some examples, by enabling a switching between a wideband mode of data transmission and a narrowband mode of data transmission while maintaining a wideband mode for RS operation, the described techniques can be used to manage power consumption at a wideband-capable wireless device.

It is understood that the specific order or hierarchy of blocks in the processes/flowcharts disclosed is an illustration of example approaches. Based upon design preferences, it is understood that the specific order or hierarchy of blocks in the processes/flowcharts may be rearranged. Further, some blocks may be combined or omitted. The accompanying method claims present elements of the various blocks in a sample order, and are not limited to the specific order or hierarchy presented.

The previous description is provided to enable any person skilled in the art to practice the various aspects described herein. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects. Thus, the claims are not limited to the aspects described herein, but are to be accorded the full scope consistent with the language claims. Reference to an element in the singular does not mean “one and only one” unless specifically so stated, but rather “one or more.” Terms such as “if,” “when,” and “while” do not imply an immediate temporal relationship or reaction. That is, these phrases, e.g., “when,” do not imply an immediate action in response to or during the occurrence of an action, but simply imply that if a condition is met then an action will occur, but without requiring a specific or immediate time constraint for the action to occur. The word “exemplary” is used herein to mean “serving as an example, instance, or illustration.” Any aspect described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other aspects. Unless specifically stated otherwise, the term “some” refers to one or more. Combinations such as “at least one of A, B, or C,” “one or more of A, B, or C,” “at least one of A, B, and C,” “one or more of A, B, and C,” and “A, B, C, or any combination thereof” include any combination of A, B, and/or C, and may include multiples of A, multiples of B, or multiples of C. Specifically, combinations such as “at least one of A, B, or C,” “one or more of A, B, or C,” “at least one of A, B, and C,” “one or more of A, B, and C,” and “A, B, C, or any combination thereof” may be A only, B only, C only, A and B, A and C, B and C, or A and B and C, where any such combinations may contain one or more member or members of A, B, or C. Sets should be interpreted as a set of elements where the elements number one or more. Accordingly, for a set of X, X would include one or more elements. When at least one processor is configured to perform a set of functions, the at least one processor, individually or in any combination, is configured to perform the set of functions. Accordingly, each processor of the at least one processor may be configured to perform a particular subset of the set of functions, where the subset is the full set, a proper subset of the set, or an empty subset of the set. A processor may be referred to as processor circuitry. A memory/memory module may be referred to as memory circuitry. If a first apparatus receives data from or transmits data to a second apparatus, the data may be received/transmitted directly between the first and second apparatuses, or indirectly between the first and second apparatuses through a set of apparatuses. A device configured to “output” data, such as a transmission, signal, or message, may transmit the data, for example with a transceiver, or may send the data to a device that transmits the data. A device configured to “obtain” data, such as a transmission, signal, or message, may receive, for example with a transceiver, or may obtain the data from a device that receives the data. Information stored in a memory includes instructions and/or data. All structural and functional equivalents to the elements of the various aspects described throughout this disclosure that are known or later come to be known to those of ordinary skill in the art are expressly incorporated herein by reference and are encompassed by the claims. Moreover, nothing disclosed herein is dedicated to the public regardless of whether such disclosure is explicitly recited in the claims. The words “module,” “mechanism,” “element,” “device,” and the like may not be a substitute for the word “means.” As such, no claim element is to be construed as a means plus function unless the element is expressly recited using the phrase “means for.”

As used herein, the phrase “based on” shall not be construed as a reference to a closed set of information, one or more conditions, one or more factors, or the like. In other words, the phrase “based on A” (where “A” may be information, a condition, a factor, or the like) shall be construed as “based at least on A” unless specifically recited differently.

The following aspects are illustrative only and may be combined with other aspects or teachings described herein, without limitation.

Aspect 1 is a method of wireless communication at a wireless device comprising: detecting a first trigger condition at the wireless device; and transmitting, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, wherein at least one of: the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth; the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth; or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth.

Aspect 2 is the method of aspect 1, further comprising: receiving a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth; and processing the data signal and the reference signal using a single baseband processor.

Aspect 3 is the method of aspect 2, wherein the second reference signal bandwidth is larger than the second data bandwidth, wherein the data signal is associated with one or more periodic resource sets, wherein each of the one or more periodic resource sets comprises a first plurality of symbols, and wherein the reference signal is associated with one symbol in each of the one or more periodic resource sets or a second plurality of symbols in each of the one or more periodic resource sets.

Aspect 4 is the method of any of aspects 1 to 3, wherein the first trigger condition is related to an energy available at the wireless device and is associated with a battery power available at the wireless device being below a threshold amount of power.

Aspect 5 is the method of any of aspects 1 to 4, wherein the first trigger condition is related to an energy available at the wireless device and is associated with an energy-consumption-to-harvesting ratio at the wireless device.

Aspect 6 is the method of any of aspects 1 to 5, further comprising transmitting at least one of: a second indication of a first minimum timing gap associated with the switch from the first mode of operation to the second mode of operation; a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation; a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission, wherein a third data bandwidth associated with the data transmission is smaller than a third reference signal bandwidth associated with the reference signal transmission; or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission, wherein the third data bandwidth associated with the data transmission is smaller than the third reference signal bandwidth associated with the reference signal transmission.

Aspect 7 is the method of any of aspects 1 to 6, further comprising: transmitting a second indication of a capability to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal.

Aspect 8 is the method of aspect 7, wherein the at least one reference signal comprises a frequency modulated continuous wave (FMCW) reference signal.

Aspect 9 is the method of any of aspects 1 to 8, wherein the second reference signal bandwidth is larger than the second data bandwidth, further comprising: receiving a second indication to activate the second reference signal bandwidth for a first time period; and receiving a third indication to activate the second data bandwidth during at least a portion of the first time period.

Aspect 10 is a method of wireless communication at a network device comprising: receiving, from a wireless device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, wherein at least one of: the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth; the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth; or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth is larger than the first data bandwidth; and transmitting, for the wireless device, a data signal via the second data bandwidth and a reference signal via the second reference signal bandwidth.

Aspect 11 is the method of aspect 10, wherein the second reference signal bandwidth is larger than the second data bandwidth, wherein the data signal is associated with one or more periodic resource sets, wherein each of the one or more periodic resource sets comprises a first plurality of symbols, and wherein the reference signal is associated with one symbol in each of the one or more periodic resource sets or a second plurality of symbols in each of the one or more periodic resource sets.

Aspect 12 is the method of any of aspects 10 and 11, further comprising receiving at least one of: a second indication of a first minimum timing gap associated with the switch from the first mode of operation to the second mode of operation; a third indication of a second minimum timing gap associated with a switch from the second mode of operation to the first mode of operation; a fourth indication of a third minimum timing gap associated with a switch from a data transmission to a reference signal transmission, wherein a third data bandwidth associated with the data transmission is smaller than a third reference signal bandwidth associated with the reference signal transmission; or a fifth indication of a fourth minimum timing gap associated with a switch from the reference signal transmission to the data transmission, wherein the third data bandwidth associated with the data transmission is smaller than the third reference signal bandwidth associated with the reference signal transmission.

Aspect 13 is the method of any of aspects 10 to 12, further comprising: receiving a second indication of a capability of the wireless device to process, with a same baseband processor, at least one reference signal using a larger bandwidth than an associated data signal.

Aspect 14 is the method of aspect 13, wherein the at least one reference signal comprises a frequency modulated continuous wave (FMCW) reference signal.

Aspect 15 is the method of any of aspects 10 to 14, wherein the second reference signal bandwidth is larger than the second data bandwidth, further comprising: transmitting a second indication to activate the second reference signal bandwidth for a first time period; and transmitting a third indication to activate the second data bandwidth during at least a portion of the first time period.

Aspect 16 is one of a wireless device or an apparatus for wireless communication at a wireless device, including a memory and at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to implement any of aspects 1 to 9.

Aspect 17 is one of the wireless device or the apparatus of aspect 16, further including a transceiver or an antenna coupled to the at least one processor.

Aspect 18 is one of a wireless device or an apparatus for wireless communication at a wireless device including means for implementing any of aspects 1 to 9.

Aspect 19 is a computer-readable medium (e.g., a non-transitory computer-readable medium) storing computer executable code, where the code when executed by a processor causes the processor to implement any of aspects 1 to 9.

Aspect 20 is one of a network device or an apparatus for wireless communication at a network device including a memory and at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to implement any of aspects 10 to 15.

Aspect 21 is the network device or the apparatus of aspect 20, further including a transceiver or an antenna coupled to the at least one processor.

Aspect 22 is a network device or an apparatus for wireless communication at a device including means for implementing any of aspects 1 to 10 to 15.

Aspect 23 is a computer-readable medium (e.g., a non-transitory computer-readable medium) storing computer executable code, where the code when executed by a processor causes the processor to implement any of aspects 10 to 15.